The book is now available! 55555333
(another Prime Pages' Curiosity)
Prime Curios!
Curios: Curios Search:

Single Curio View:   (Seek other curios for this number)


Five 5's followed by three 3's is prime. Is the only prime-digit prime that contains two distinct digits d with repetition of every digit d times. [De Geest and Loungrides]


  Submitted: 2004-02-08 07:45:24;   Last Modified: 2009-07-05 08:43:26.

Prime Curios! © 2000-2018 (all rights reserved)